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DOI | 10.1002/joc.5778 |
Changes in the temperature distribution in the top 150 m of the equatorial Indian Ocean in association with El Nino and monsoon drought | |
Roose, Shinto1; Joseph, Porathur V.2; Mohanakumar, K.1,3 | |
2019 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2019 |
卷号 | 39期号:1页码:31-42 |
文章类型 | Article |
语种 | 英语 |
国家 | India |
英文摘要 | The vertical temperature profiles of the equatorial Indian Ocean between the latitudes 5 degrees S and 5 degrees N in years of El Nino and monsoon drought have been studied using quality controlled ocean temperature (EN4) data set of the UK Met Office Hadley Centre and Simple Ocean Data Assimilation (SODA) reanalysis data. The temperature anomalies in the equatorial Indian Ocean were studied in three composites: (a) years of El Nino with no drought monsoon (composite A), (b) years of El Nino associated with drought monsoon (composite B) and (c) years of monsoon drought without El Nino (composite C). In composite A, a prominent subsurface dipole (SSD) in temperature is seen between depths of 60 and 120m during the months September-November. It is not present in composite B. SSD is associated with surface wind anomalies, easterly in the equatorial central Indian Ocean and southeasterly in the equatorial eastern Indian Ocean. Drought monsoons have strong westerly surface wind anomalies in the equatorial central Indian Ocean, which reduces the strength of the equatorial easterly wind anomaly in composite B. In composite C, a negative SSD developed due to the strong anomalous westerly wind over the equatorial Indian Ocean associated with monsoon drought and the absence of El Nino induced equatorial easterly winds. |
英文关键词 | equatorial Indian Ocean El Nino Indian monsoon drought subsurface dipole |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000459638400003 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; SUMMER MONSOON ; DIPOLE MODE ; VARIABILITY ; ENSO ; ANOMALIES ; RAINFALL |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/36661 |
专题 | 气候变化 |
作者单位 | 1.Cochin Univ Sci & Technol, Dept Atmospher Sci, Kochi, Kerala, India; 2.Nansen Environm Res Ctr India, Kochi, Kerala, India; 3.Cochin Univ Sci & Technol, Adv Ctr Atmospher Radar Res, Kochi, Kerala, India |
推荐引用方式 GB/T 7714 | Roose, Shinto,Joseph, Porathur V.,Mohanakumar, K.. Changes in the temperature distribution in the top 150 m of the equatorial Indian Ocean in association with El Nino and monsoon drought[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019,39(1):31-42. |
APA | Roose, Shinto,Joseph, Porathur V.,&Mohanakumar, K..(2019).Changes in the temperature distribution in the top 150 m of the equatorial Indian Ocean in association with El Nino and monsoon drought.INTERNATIONAL JOURNAL OF CLIMATOLOGY,39(1),31-42. |
MLA | Roose, Shinto,et al."Changes in the temperature distribution in the top 150 m of the equatorial Indian Ocean in association with El Nino and monsoon drought".INTERNATIONAL JOURNAL OF CLIMATOLOGY 39.1(2019):31-42. |
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